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Code Geass: Devil Summoner by Inquisitor Halbread reviews
Warning: This story will contain death and grievous injury. The faint of heart has been warned Follow Isaac Cross, a young fallen noble of Britannia who sought refuge in the newly conquered Area 11 as he fights to survive and thrive in a world of shadow and protect his way of life from family enemies, terrorists, cult members and demons. Lots of demons.
Crossover - Megami Tensei & Code Geass - Rated: M - English - Supernatural/Adventure - Chapters: 4 - Words: 16,958 - Reviews: 2 - Favs: 4 - Follows: 6 - Updated: 14h - Published: 4/12 - Lelouch L., Suzaku K., Nunnally L., OC
Agent of Rebellion by AgentOrange26 reviews
Noah Ashford lived a complicated life. The son of a prestigious Britannian noble, but he was also half-Japanese. His mother was stolen from him by the Britannians and his father and in turn he swore revenge on them both. The opportunity for revenge has finally arrived, but how will actions effect those around him and the nation he is trying to free.
Crossover - Naruto & Code Geass - Rated: M - English - Adventure - Chapters: 3 - Words: 29,429 - Reviews: 18 - Favs: 98 - Follows: 111 - Updated: 5/5 - Published: 8/15/2022 - Naruto U., Kallen S., Milly A.
Code Geass: Duty of a Nobody by Dark Mage Wyvern Lord reviews
For seven years, Lelouch vi Britannia has lived in the shadows with a family of mutants. But the exiled prince must come into the light when the Shredder wages war against Britannia.
Crossover - Code Geass & Teenage Mutant Ninja Turtles - Rated: T - English - Adventure/Family - Chapters: 5 - Words: 29,364 - Reviews: 48 - Favs: 67 - Follows: 61 - Updated: 5/4 - Published: 7/15/2022 - Lelouch L., Kallen S.
Thou Art a Contractor by jkawsome reviews
Even with over fifteen years of peace between Britannia and the world at large, corruption and evil still seep through the cracks. Ren Amamiya hopes to change this with his friends as Phantom Thieves. The problem is, Ren was once Lelouch vi Britannia - even if he doesn't know it yet - and his past life isn't going to let him go so easily.
Crossover - Code Geass & Persona Series - Rated: T - English - Supernatural/Drama - Chapters: 15 - Words: 102,995 - Reviews: 173 - Favs: 378 - Follows: 472 - Updated: 5/4 - Published: 12/24/2019 - Lelouch L., C.C., Akira K./Ren A.
Code Prime - R2: Revolution by Iron117Prime reviews
Britannia has fallen, and the Decepticons are well on their way to the complete global domination of Earth. However, hope is not lost. Six months after the failed Black Rebellion, Zero and Optimus Prime have returned to finish what they've started. With their Autobot-Black Knight alliance grown with new additions, our heroes have ever intent on freeing Earth once and for all.
Crossover - Transformers/Beast Wars & Code Geass - Rated: T - English - Adventure - Chapters: 32 - Words: 469,591 - Reviews: 1366 - Favs: 773 - Follows: 701 - Updated: 4/25 - Published: 1/15/2021 - Bumblebee, Optimus Prime, Lelouch L., Kallen S.
Highschool DxD: Lelouch of the Reincarnation by Flux Casey reviews
A new life. Reborn in a world of devils and chess-themed intrigue. After sacrificing everything for a peaceful world, was a Demon Emperor being granted his own personal heaven?
Crossover - Code Geass & High School DxD/ハイスクールD×D - Rated: M - English - Supernatural - Chapters: 42 - Words: 172,348 - Reviews: 762 - Favs: 2,234 - Follows: 2,629 - Updated: 4/24 - Published: 12/31/2021 - Lelouch L.
Code In the Force by gdog1 reviews
Locked away by those who claimed to be loyal to him Lelouch's name has long since been forgotten by history. Now he is back in galaxy that is not so different from the one he had left. What is a Demon Emperor to do now that all he worked for has been lost and is honestly to tried want to start again?
Crossover - Star Wars & Code Geass - Rated: M - English - Adventure/Sci-Fi - Chapters: 5 - Words: 34,410 - Reviews: 64 - Favs: 261 - Follows: 332 - Updated: 4/23 - Published: 3/6/2022
When Worlds Collide by StarKing28 reviews
Through the 21st century and in the early 22nd century, Charles led his nation through an era of peace, prosperity, and technological development. Although there were some conflicts along the way, the Empire stood strong and became a spacefaring nation along with its allies. However, that peace was shattered when a mysterious portal opened in Los Angeles in 2130s.
Crossover - Code Geass & Gate - Jietai Kare no Chi nite, Kaku Tatakeri - Rated: M - English - Sci-Fi/Fantasy - Chapters: 5 - Words: 52,500 - Reviews: 19 - Favs: 61 - Follows: 71 - Updated: 4/22 - Published: 4/3 - Lelouch L., Cornelia L.B., Rory, Pina
Demon Emperor and Demon King by Imperator's slave reviews
Lelouch expected many things after his death. What he didn't expect was to find himself in the war between seven wizards and historical figures. Still, the prize seems nice enough so he might as well take it. Not to mention working with a fellow demon might be a unique experience.
Crossover - Fate/stay night & Code Geass - Rated: M - English - Adventure/Fantasy - Chapters: 28 - Words: 426,049 - Reviews: 1167 - Favs: 2,280 - Follows: 2,604 - Updated: 4/20 - Published: 2/11/2020 - [Oda Nobunaga, Lelouch L.] Saber, Avenger
A Young Girl's Guerilla War Sidestories by RagnartheSemiGreen
Canonical sidestories attached to A Young Girl's Guerrilla War
Crossover - Code Geass & Youjo Senki: Saga of Tanya the Evil - Rated: M - English - Adventure/Drama - Chapters: 4 - Words: 23,160 - Favs: 16 - Follows: 20 - Published: 4/20 - Lelouch L., Kyoshiro T., Kaguya S.
Transformers: Rondo of Titan and Beyond R1: The Spark of Rebellion by Alpha Phoenix Studio reviews
The Story concerning the Angel named Angelise who is adored by all of her subjects and the Demon named Lelouch who want to alter the world by annihilating it but their fate and their future was clash as their world are about to change when Titans arrive. (Rated T for which contain strong violence, language and some sexual content.)
Crossover - Code Geass & CROSS ANGE Rondo of Angel and Dragon/クロスアンジュ 天使と竜の輪舞 - Rated: T - English - Drama/Sci-Fi - Chapters: 8 - Words: 41,143 - Reviews: 116 - Favs: 41 - Follows: 43 - Updated: 4/20 - Published: 11/21/2020 - Lelouch L., C.C., Ange, OC
The Demon Emperor of the Seventh Heaven by Dath Zion reviews
It was known as mystery- something that fell outside the scope of common thinking, something incomprehensible and indecipherable to those bound by the laws of the world. Born into a world where the supernatural walk upon the earth, Lelouch found a new purpose for himself following his Zero Requiem. Would he destroy this world or would he create it anew?
Crossover - Code Geass & Toaru Majutsu no Index/とある魔術の禁書目録 - Rated: T - English - Supernatural/Adventure - Chapters: 14 - Words: 73,435 - Reviews: 75 - Favs: 247 - Follows: 300 - Updated: 4/18 - Published: 8/15/2022 - Lelouch L., Aiwass, Othinus, Coronzon
Zero's Remnant Requiem by Alpha4689 reviews
The Zero Requiem is complete, now Lelouch passes on, fulfilling his destiny. Or has he. Forced into a new world, he shall take up the Mantle of Zero once more, to fix a broken world. (Rewrite of Zero's Remnant)
Crossover - Code Geass & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 10 - Words: 113,428 - Reviews: 237 - Favs: 425 - Follows: 547 - Updated: 4/17 - Published: 2/2/2022 - Lelouch L., Suzaku K., C.C., Kallen S.
Zero the Knightmare Slayer by jetslinger333 reviews
Some people would call Lelouch Vi Britannia many things: a liar, backstabber, tyrant, and others when he began his path of revenge. But what if He experienced someone else's life and knows that person's endeavor would make him a better person in life? This is how it Began.
Crossover - Code Geass & Kimetsu no Yaiba/鬼滅の刃 - Rated: T - English - Adventure/Spiritual - Chapters: 8 - Words: 49,311 - Reviews: 61 - Favs: 177 - Follows: 178 - Updated: 4/17 - Published: 1/18/2022
Pokémon: Britannia by Firem78910 reviews
Charlemagne Ri Britannia never knew true happiness as it was ripped away from him. But when the Chinese Federation attacks Japan he would help defend them but it will also give him the chance to take back his happiness. As he reunites with his son Ash Ketchum
Crossover - Pokémon & Code Geass - Rated: M - English - Adventure - Chapters: 2 - Words: 5,166 - Reviews: 3 - Favs: 18 - Follows: 18 - Updated: 4/16 - Published: 12/31/2022 - [OC, Delia K./Hanako] [Ash K./Satoshi, Serena]
Code Geass Harry of the Uprising by EvaShinobiKaiserKnight reviews
A Prophesy Broken, A Command Spoken, A Requiem played, A World Remade. The Power of the Kings shall compel you live in a world of Isolation but shall grant you the power to live. But be warned for you will be compelled live in a with a different set of rules beyond mortal men. Do you have the resolve that is needed to live in such a world? I Lelouch Vi Britannian command you all...
Crossover - Harry Potter & Code Geass - Rated: M - English - Fantasy/Supernatural - Chapters: 5 - Words: 36,845 - Reviews: 18 - Favs: 62 - Follows: 69 - Updated: 4/14 - Published: 3/7 - [Harry P., Hermione G.] [C.C., Lelouch L.]
Code Geass: Tricksters' Requiem by BahamutX978 reviews
Rebellion can take many forms, and many paths. For Lelouch Lamperouge, becoming a Trickster was not how he expected his quest to begin, but one must play with the cards they are dealt. I am thou, thou art I.
Crossover - Code Geass & Persona Series - Rated: T - English - Adventure/Supernatural - Chapters: 3 - Words: 24,580 - Reviews: 5 - Favs: 30 - Follows: 33 - Updated: 4/12 - Published: 3/2 - Lelouch L., C.C., Kallen S.
The Knight of Rebellion: Zero by Immortal Dragon 22 reviews
War. Cruelty. Bloodshed. The world is a cruel place. Lelouch knew this from the day his mother died and his sister crippled. Yet, years later, he receives a great power. The Power of the Kings. With this, Lelouch will change the very foundation of this world. He'll destroy it then create it anew. For he's the Knight of Rebellion. For he's The Man of Miracles. For He. Is. Zero! (AU)
Crossover - Anime X-overs & Code Geass - Rated: T - English - Sci-Fi/Fantasy - Chapters: 7 - Words: 46,472 - Reviews: 16 - Favs: 34 - Follows: 35 - Updated: 4/11 - Published: 7/12/2022 - Lelouch L., Zero
Justice League of the Rebellion R2 by patrickthenobleman reviews
The Empire has fallen, the League's unity is shattered, darkness gathers in strength as the world becomes more and more savage. The only hope Earth has is for one of their own to rise like a Bat Outta Hell to rally the League once more under the banner of Justice. Burdened with a dark glory he must press on to save the world. For beyond the Savage there is the God of Evil.
Crossover - Justice League & Code Geass - Rated: T - English - Adventure/Drama - Chapters: 14 - Words: 115,408 - Reviews: 66 - Favs: 67 - Follows: 60 - Updated: 4/11 - Published: 3/4/2022 - [Kallen S., Lelouch L.] Darkseid, Vandal Savage
The Heavenly Emperor by Dath Zion reviews
The Great War was long over, Heaven had lost and God couldn't accept it. He would not allow his ideals to fade so easily, not after all they had sacrificed. Thus, he enacted a desperate plan as he breathed his last on a desecrated dimension torn apart by war. Heaven needed a ruler more capable than Michael and what better king could the world offer than the Demon Emperor Lelouch.
Crossover - Code Geass & High School DxD/ハイスクールD×D - Rated: T - English - Adventure/Romance - Chapters: 7 - Words: 68,206 - Reviews: 331 - Favs: 1,098 - Follows: 1,405 - Updated: 4/8 - Published: 1/1/2022 - Lelouch L., Gabriel, Michael
Absolution by Dath Zion reviews
On some nights, Lelouch vi Belserion dreamed of empires, wars, and revolutions. But for some reason daytime always left him empty- he remained without a heart, and without fate. Almost as if he did not belong here, as if he had no meaning. He walked through life without a heart, searching for purpose. Could Fairy Tail teach him to live again?
Crossover - Code Geass & Fairy Tail - Rated: T - English - Adventure/Romance - Chapters: 2 - Words: 7,815 - Reviews: 14 - Favs: 109 - Follows: 134 - Updated: 4/8 - Published: 1/23 - Lelouch L., Erza S., Irene B.
Pacific Rim: Humanity's Black Hunstmen by MosesArk Reborn2000 reviews
When monsters from another world invade from the sea, the world is forced to put aside their own differences in order to meet this fine threat. Lelouch is one of many who sign up for the PPDC to meet this new threat. He and many others have joined the cause, have seen the destruction and death, and have chosen to be the predators, not the prey, to be the hunters...the Jaegers.
Crossover - Code Geass & Pacific Rim - Rated: M - English - Sci-Fi/Supernatural - Chapters: 16 - Words: 157,376 - Reviews: 104 - Favs: 173 - Follows: 178 - Updated: 3/30 - Published: 4/12/2020 - [Lelouch L., Kaguya S.] Kallen S., Raleigh B.
Code Guardian by Flameal15k reviews
Chasing lost Ghosts through a Vex portal, a trio of Guardians find themselves supporting an exiled prince against a human empire not unlike the Cabal. But all must stand together as the Final Shape approaches.
Crossover - Code Geass & Destiny - Rated: T - English - Supernatural/Sci-Fi - Chapters: 1 - Words: 2,050 - Reviews: 4 - Favs: 17 - Follows: 20 - Published: 3/30 - Lelouch L., Kallen S., Guardian, Ghost
Code Dino Crisis by Kaiju Slayer 9117 reviews
In the 21st century, mankind fought for the right to resources, which have left portions of earth ruined. As a result, some scientists have turned to Sakuradite as the main method of powering their devices, but Dr. Kirk proposed a clean, limitless energy, which he named Third Energy. Because of his breakthrough, many are out to steal his research, including the Black Knights.
Crossover - Dino Crisis & Code Geass - Rated: M - English - Horror/Sci-Fi - Chapters: 1 - Words: 10,617 - Reviews: 1 - Favs: 9 - Follows: 9 - Published: 3/24 - Lelouch L., Cornelia L.B.
Spider-Man: Lelouch of the Web by IS6A6E reviews
Having been granted incredible powers, Lelouch Parker must now bear the incredible responsibility of having such powers in a world that he currently despises, and against an enemy that threatens all he holds dear.
Crossover - Spider-Man & Code Geass - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 45,888 - Reviews: 36 - Favs: 56 - Follows: 51 - Updated: 3/24 - Published: 2/1 - [Lelouch L., Felicia H./Black Cat] Suzaku K.
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